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<h2 class="title">
<a id="sql-functions"></a>Functions and Operators<a class="edit_me edit_me_private" rel="nofollow" title="Editing on GitHub is available to Elastic" href="https://github.com/elastic/elasticsearch/edit/7.7/docs/reference/sql/functions/index.asciidoc">edit</a><a class="xpack_tag" href="https://www.elastic.co/subscriptions"></a>
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<p>Elasticsearch SQL provides a comprehensive set of built-in operators and functions:</p>
<div class="ulist itemizedlist">
<ul class="itemizedlist">
<li class="listitem">
<p><a class="xref" href="sql-operators.html" title="Comparison Operators">Operators</a></p>
<div class="ulist itemizedlist">
<ul class="itemizedlist">
<li class="listitem">
<a class="xref" href="sql-operators.html#sql-operators-equality" title="Equality (=)"><code class="literal">Equality (=)</code></a>
</li>
<li class="listitem">
<a class="xref" href="sql-operators.html#sql-operators-null-safe-equality" title="Null safe Equality (&lt;=&gt;)"><code class="literal">Null safe Equality (&lt;=&gt;)</code></a>
</li>
<li class="listitem">
<a class="xref" href="sql-operators.html#sql-operators-inequality" title="Inequality (&lt;&gt; or !=)"><code class="literal">Inequality (&lt;&gt; or !=)</code></a>
</li>
<li class="listitem">
<a class="xref" href="sql-operators.html#sql-operators-comparison" title="Comparison (&lt;, &lt;=, &gt;, &gt;=)"><code class="literal">Comparison (&lt;, &lt;=, &gt;, &gt;=)</code></a>
</li>
<li class="listitem">
<a class="xref" href="sql-operators.html#sql-operators-between" title="BETWEEN"><code class="literal">BETWEEN</code></a>
</li>
<li class="listitem">
<a class="xref" href="sql-operators.html#sql-operators-is-null" title="IS NULL/IS NOT NULL"><code class="literal">IS NULL/IS NOT NULL</code></a>
</li>
<li class="listitem">
<a class="xref" href="sql-operators.html#sql-operators-in" title="IN (&lt;value1&gt;, &lt;value2&gt;, ...)"><code class="literal">IN (&lt;value1&gt;, &lt;value2&gt;, ...)</code></a>
</li>
<li class="listitem">
<a class="xref" href="sql-operators-logical.html#sql-operators-and" title="AND"><code class="literal">AND</code></a>
</li>
<li class="listitem">
<a class="xref" href="sql-operators-logical.html#sql-operators-or" title="OR"><code class="literal">OR</code></a>
</li>
<li class="listitem">
<a class="xref" href="sql-operators-logical.html#sql-operators-not" title="NOT"><code class="literal">NOT</code></a>
</li>
<li class="listitem">
<a class="xref" href="sql-operators-math.html#sql-operators-plus" title="Add (+)"><code class="literal">Add (+)</code></a>
</li>
<li class="listitem">
<a class="xref" href="sql-operators-math.html#sql-operators-subtract" title="Subtract (infix -)"><code class="literal">Subtract (infix -)</code></a>
</li>
<li class="listitem">
<a class="xref" href="sql-operators-math.html#sql-operators-negate" title="Negate (unary -)"><code class="literal">Negate (unary -)</code></a>
</li>
<li class="listitem">
<a class="xref" href="sql-operators-math.html#sql-operators-multiply" title="Multiply (*)"><code class="literal">Multiply (*)</code></a>
</li>
<li class="listitem">
<a class="xref" href="sql-operators-math.html#sql-operators-divide" title="Divide (/)"><code class="literal">Divide (/)</code></a>
</li>
<li class="listitem">
<a class="xref" href="sql-operators-math.html#sql-operators-remainder" title="Modulo or Remainder(%)"><code class="literal">Modulo or Remainder(%)</code></a>
</li>
<li class="listitem">
<a class="xref" href="sql-operators-cast.html#sql-operators-cast-cast" title="Cast (::)"><code class="literal">Cast (::)</code></a>
</li>
</ul>
</div>
</li>
<li class="listitem">
<p><a class="xref" href="sql-like-rlike-operators.html" title="LIKE and RLIKE Operators">LIKE and RLIKE Operators</a></p>
<div class="ulist itemizedlist">
<ul class="itemizedlist">
<li class="listitem">
<a class="xref" href="sql-like-rlike-operators.html#sql-like-operator" title="LIKE"><code class="literal">LIKE</code></a>
</li>
<li class="listitem">
<a class="xref" href="sql-like-rlike-operators.html#sql-rlike-operator" title="RLIKE"><code class="literal">RLIKE</code></a>
</li>
</ul>
</div>
</li>
<li class="listitem">
<p><a class="xref" href="sql-functions-aggs.html" title="Aggregate Functions">Aggregate Functions</a></p>
<div class="ulist itemizedlist">
<ul class="itemizedlist">
<li class="listitem">
<a class="xref" href="sql-functions-aggs.html#sql-functions-aggs-avg" title="AVG"><code class="literal">AVG</code></a>
</li>
<li class="listitem">
<a class="xref" href="sql-functions-aggs.html#sql-functions-aggs-count" title="COUNT"><code class="literal">COUNT</code></a>
</li>
<li class="listitem">
<a class="xref" href="sql-functions-aggs.html#sql-functions-aggs-count-all" title="COUNT(ALL)"><code class="literal">COUNT(ALL)</code></a>
</li>
<li class="listitem">
<a class="xref" href="sql-functions-aggs.html#sql-functions-aggs-count-distinct" title="COUNT(DISTINCT)"><code class="literal">COUNT(DISTINCT)</code></a>
</li>
<li class="listitem">
<a class="xref" href="sql-functions-aggs.html#sql-functions-aggs-first" title="FIRST/FIRST_VALUE"><code class="literal">FIRST/FIRST_VALUE</code></a>
</li>
<li class="listitem">
<a class="xref" href="sql-functions-aggs.html#sql-functions-aggs-last" title="LAST/LAST_VALUE"><code class="literal">LAST/LAST_VALUE</code></a>
</li>
<li class="listitem">
<a class="xref" href="sql-functions-aggs.html#sql-functions-aggs-max" title="MAX"><code class="literal">MAX</code></a>
</li>
<li class="listitem">
<a class="xref" href="sql-functions-aggs.html#sql-functions-aggs-min" title="MIN"><code class="literal">MIN</code></a>
</li>
<li class="listitem">
<a class="xref" href="sql-functions-aggs.html#sql-functions-aggs-sum" title="SUM"><code class="literal">SUM</code></a>
</li>
<li class="listitem">
<a class="xref" href="sql-functions-aggs.html#sql-functions-aggs-kurtosis" title="KURTOSIS"><code class="literal">KURTOSIS</code></a>
</li>
<li class="listitem">
<a class="xref" href="sql-functions-aggs.html#sql-functions-aggs-mad" title="MAD"><code class="literal">MAD</code></a>
</li>
<li class="listitem">
<a class="xref" href="sql-functions-aggs.html#sql-functions-aggs-percentile" title="PERCENTILE"><code class="literal">PERCENTILE</code></a>
</li>
<li class="listitem">
<a class="xref" href="sql-functions-aggs.html#sql-functions-aggs-percentile-rank" title="PERCENTILE_RANK"><code class="literal">PERCENTILE_RANK</code></a>
</li>
<li class="listitem">
<a class="xref" href="sql-functions-aggs.html#sql-functions-aggs-skewness" title="SKEWNESS"><code class="literal">SKEWNESS</code></a>
</li>
<li class="listitem">
<a class="xref" href="sql-functions-aggs.html#sql-functions-aggs-stddev-pop" title="STDDEV_POP"><code class="literal">STDDEV_POP</code></a>
</li>
<li class="listitem">
<a class="xref" href="sql-functions-aggs.html#sql-functions-aggs-sum-squares" title="SUM_OF_SQUARES"><code class="literal">SUM_OF_SQUARES</code></a>
</li>
<li class="listitem">
<a class="xref" href="sql-functions-aggs.html#sql-functions-aggs-var-pop" title="VAR_POP"><code class="literal">VAR_POP</code></a>
</li>
</ul>
</div>
</li>
<li class="listitem">
<p><a class="xref" href="sql-functions-grouping.html" title="Grouping Functions">Grouping Functions</a></p>
<div class="ulist itemizedlist">
<ul class="itemizedlist">
<li class="listitem">
<a class="xref" href="sql-functions-grouping.html#sql-functions-grouping-histogram" title="HISTOGRAM"><code class="literal">HISTOGRAM</code></a>
</li>
</ul>
</div>
</li>
<li class="listitem">
<a class="xref" href="sql-functions-datetime.html#sql-functions-datetime-interval" title="Intervals">Date-Time Operators</a>
</li>
<li class="listitem">
<p><a class="xref" href="sql-functions-datetime.html#sql-functions-current-date" title="CURRENT_DATE/CURDATE">Date-Time Functions</a></p>
<div class="ulist itemizedlist">
<ul class="itemizedlist">
<li class="listitem">
<a class="xref" href="sql-functions-datetime.html#sql-functions-current-date" title="CURRENT_DATE/CURDATE"><code class="literal">CURRENT_DATE/CURDATE</code></a>
</li>
<li class="listitem">
<a class="xref" href="sql-functions-datetime.html#sql-functions-current-time" title="CURRENT_TIME/CURTIME"><code class="literal">CURRENT_TIME/CURTIME</code></a>
</li>
<li class="listitem">
<a class="xref" href="sql-functions-datetime.html#sql-functions-current-timestamp" title="CURRENT_TIMESTAMP"><code class="literal">CURRENT_TIMESTAMP</code></a>
</li>
<li class="listitem">
<a class="xref" href="sql-functions-datetime.html#sql-functions-datetime-add" title="DATE_ADD/DATEADD/TIMESTAMP_ADD/TIMESTAMPADD"><code class="literal">DATE_ADD/DATEADD/TIMESTAMP_ADD/TIMESTAMPADD</code></a>
</li>
<li class="listitem">
<a class="xref" href="sql-functions-datetime.html#sql-functions-datetime-diff" title="DATE_DIFF/DATEDIFF/TIMESTAMP_DIFF/TIMESTAMPDIFF"><code class="literal">DATE_DIFF/DATEDIFF/TIMESTAMP_DIFF/TIMESTAMPDIFF</code></a>
</li>
<li class="listitem">
<a class="xref" href="sql-functions-datetime.html#sql-functions-datetime-part" title="DATE_PART/DATEPART"><code class="literal">DATE_PART/DATEPART</code></a>
</li>
<li class="listitem">
<a class="xref" href="sql-functions-datetime.html#sql-functions-datetime-trunc" title="DATE_TRUNC/DATETRUNC"><code class="literal">DATE_TRUNC/DATETRUNC</code></a>
</li>
<li class="listitem">
<a class="xref" href="sql-functions-datetime.html#sql-functions-datetime-day" title="DAY_OF_MONTH/DOM/DAY"><code class="literal">DAY_OF_MONTH/DOM/DAY</code></a>
</li>
<li class="listitem">
<a class="xref" href="sql-functions-datetime.html#sql-functions-datetime-dow" title="DAY_OF_WEEK/DAYOFWEEK/DOW"><code class="literal">DAY_OF_WEEK/DAYOFWEEK/DOW</code></a>
</li>
<li class="listitem">
<a class="xref" href="sql-functions-datetime.html#sql-functions-datetime-doy" title="DAY_OF_YEAR/DOY"><code class="literal">DAY_OF_YEAR/DOY</code></a>
</li>
<li class="listitem">
<a class="xref" href="sql-functions-datetime.html#sql-functions-datetime-dayname" title="DAY_NAME/DAYNAME"><code class="literal">DAY_NAME/DAYNAME</code></a>
</li>
<li class="listitem">
<a class="xref" href="sql-functions-datetime.html#sql-functions-datetime-hour" title="HOUR_OF_DAY/HOUR"><code class="literal">HOUR_OF_DAY/HOUR</code></a>
</li>
<li class="listitem">
<a class="xref" href="sql-functions-datetime.html#sql-functions-datetime-isodow" title="ISO_DAY_OF_WEEK/ISODAYOFWEEK/ISODOW/IDOW"><code class="literal">ISO_DAY_OF_WEEK/ISODAYOFWEEK/ISODOW/IDOW</code></a>
</li>
<li class="listitem">
<a class="xref" href="sql-functions-datetime.html#sql-functions-datetime-isoweek" title="ISO_WEEK_OF_YEAR/ISOWEEKOFYEAR/ISOWEEK/IWOY/IW"><code class="literal">ISO_WEEK_OF_YEAR/ISOWEEKOFYEAR/ISOWEEK/IWOY/IW</code></a>
</li>
<li class="listitem">
<a class="xref" href="sql-functions-datetime.html#sql-functions-datetime-minuteofday" title="MINUTE_OF_DAY"><code class="literal">MINUTE_OF_DAY</code></a>
</li>
<li class="listitem">
<a class="xref" href="sql-functions-datetime.html#sql-functions-datetime-minute" title="MINUTE_OF_HOUR/MINUTE"><code class="literal">MINUTE_OF_HOUR/MINUTE</code></a>
</li>
<li class="listitem">
<a class="xref" href="sql-functions-datetime.html#sql-functions-datetime-month" title="MONTH_OF_YEAR/MONTH"><code class="literal">MONTH_OF_YEAR/MONTH</code></a>
</li>
<li class="listitem">
<a class="xref" href="sql-functions-datetime.html#sql-functions-datetime-monthname" title="MONTH_NAME/MONTHNAME"><code class="literal">MONTH_NAME/MONTHNAME</code></a>
</li>
<li class="listitem">
<a class="xref" href="sql-functions-datetime.html#sql-functions-now" title="NOW"><code class="literal">NOW</code></a>
</li>
<li class="listitem">
<a class="xref" href="sql-functions-datetime.html#sql-functions-datetime-second" title="SECOND_OF_MINUTE/SECOND"><code class="literal">SECOND_OF_MINUTE/SECOND</code></a>
</li>
<li class="listitem">
<a class="xref" href="sql-functions-datetime.html#sql-functions-datetime-quarter" title="QUARTER"><code class="literal">QUARTER</code></a>
</li>
<li class="listitem">
<a class="xref" href="sql-functions-datetime.html#sql-functions-today" title="TODAY"><code class="literal">TODAY</code></a>
</li>
<li class="listitem">
<a class="xref" href="sql-functions-datetime.html#sql-functions-datetime-week" title="WEEK_OF_YEAR/WEEK"><code class="literal">WEEK_OF_YEAR/WEEK</code></a>
</li>
<li class="listitem">
<a class="xref" href="sql-functions-datetime.html#sql-functions-datetime-year" title="YEAR"><code class="literal">YEAR</code></a>
</li>
<li class="listitem">
<a class="xref" href="sql-functions-datetime.html#sql-functions-datetime-extract" title="EXTRACT"><code class="literal">EXTRACT</code></a>
</li>
</ul>
</div>
</li>
<li class="listitem">
<p><a class="xref" href="sql-functions-search.html" title="Full-Text Search Functions">Full-Text Search Functions</a></p>
<div class="ulist itemizedlist">
<ul class="itemizedlist">
<li class="listitem">
<a class="xref" href="sql-functions-search.html#sql-functions-search-match" title="MATCH"><code class="literal">MATCH</code></a>
</li>
<li class="listitem">
<a class="xref" href="sql-functions-search.html#sql-functions-search-query" title="QUERY"><code class="literal">QUERY</code></a>
</li>
<li class="listitem">
<a class="xref" href="sql-functions-search.html#sql-functions-search-score" title="SCORE"><code class="literal">SCORE</code></a>
</li>
</ul>
</div>
</li>
<li class="listitem">
<p><a class="xref" href="sql-functions-math.html" title="Mathematical Functions">Mathematical Functions</a></p>
<div class="ulist itemizedlist">
<ul class="itemizedlist">
<li class="listitem">
<a class="xref" href="sql-functions-math.html#sql-functions-math-abs" title="ABS"><code class="literal">ABS</code></a>
</li>
<li class="listitem">
<a class="xref" href="sql-functions-math.html#sql-functions-math-cbrt" title="CBRT"><code class="literal">CBRT</code></a>
</li>
<li class="listitem">
<a class="xref" href="sql-functions-math.html#sql-functions-math-ceil" title="CEIL/CEILING"><code class="literal">CEIL/CEILING</code></a>
</li>
<li class="listitem">
<a class="xref" href="sql-functions-math.html#sql-functions-math-e" title="E"><code class="literal">E</code></a>
</li>
<li class="listitem">
<a class="xref" href="sql-functions-math.html#sql-functions-math-exp" title="EXP"><code class="literal">EXP</code></a>
</li>
<li class="listitem">
<a class="xref" href="sql-functions-math.html#sql-functions-math-expm1" title="EXPM1"><code class="literal">EXPM1</code></a>
</li>
<li class="listitem">
<a class="xref" href="sql-functions-math.html#sql-functions-math-floor" title="FLOOR"><code class="literal">FLOOR</code></a>
</li>
<li class="listitem">
<a class="xref" href="sql-functions-math.html#sql-functions-math-log" title="LOG"><code class="literal">LOG</code></a>
</li>
<li class="listitem">
<a class="xref" href="sql-functions-math.html#sql-functions-math-log10" title="LOG10"><code class="literal">LOG10</code></a>
</li>
<li class="listitem">
<a class="xref" href="sql-functions-math.html#sql-functions-math-pi" title="PI"><code class="literal">PI</code></a>
</li>
<li class="listitem">
<a class="xref" href="sql-functions-math.html#sql-functions-math-power" title="POWER"><code class="literal">POWER</code></a>
</li>
<li class="listitem">
<a class="xref" href="sql-functions-math.html#sql-functions-math-random" title="RANDOM/RAND"><code class="literal">RANDOM/RAND</code></a>
</li>
<li class="listitem">
<a class="xref" href="sql-functions-math.html#sql-functions-math-round" title="ROUND"><code class="literal">ROUND</code></a>
</li>
<li class="listitem">
<a class="xref" href="sql-functions-math.html#sql-functions-math-sign" title="SIGN/SIGNUM"><code class="literal">SIGN/SIGNUM</code></a>
</li>
<li class="listitem">
<a class="xref" href="sql-functions-math.html#sql-functions-math-sqrt" title="SQRT"><code class="literal">SQRT</code></a>
</li>
<li class="listitem">
<a class="xref" href="sql-functions-math.html#sql-functions-math-truncate" title="TRUNCATE/TRUNC"><code class="literal">TRUNCATE/TRUNC</code></a>
</li>
<li class="listitem">
<a class="xref" href="sql-functions-math.html#sql-functions-math-acos" title="ACOS"><code class="literal">ACOS</code></a>
</li>
<li class="listitem">
<a class="xref" href="sql-functions-math.html#sql-functions-math-asin" title="ASIN"><code class="literal">ASIN</code></a>
</li>
<li class="listitem">
<a class="xref" href="sql-functions-math.html#sql-functions-math-atan" title="ATAN"><code class="literal">ATAN</code></a>
</li>
<li class="listitem">
<a class="xref" href="sql-functions-math.html#sql-functions-math-atan2" title="ATAN2"><code class="literal">ATAN2</code></a>
</li>
<li class="listitem">
<a class="xref" href="sql-functions-math.html#sql-functions-math-cos" title="COS"><code class="literal">COS</code></a>
</li>
<li class="listitem">
<a class="xref" href="sql-functions-math.html#sql-functions-math-cosh" title="COSH"><code class="literal">COSH</code></a>
</li>
<li class="listitem">
<a class="xref" href="sql-functions-math.html#sql-functions-math-cot" title="COT"><code class="literal">COT</code></a>
</li>
<li class="listitem">
<a class="xref" href="sql-functions-math.html#sql-functions-math-degrees" title="DEGREES"><code class="literal">DEGREES</code></a>
</li>
<li class="listitem">
<a class="xref" href="sql-functions-math.html#sql-functions-math-radians" title="RADIANS"><code class="literal">RADIANS</code></a>
</li>
<li class="listitem">
<a class="xref" href="sql-functions-math.html#sql-functions-math-sin" title="SIN"><code class="literal">SIN</code></a>
</li>
<li class="listitem">
<a class="xref" href="sql-functions-math.html#sql-functions-math-sinh" title="SINH"><code class="literal">SINH</code></a>
</li>
<li class="listitem">
<a class="xref" href="sql-functions-math.html#sql-functions-math-tan" title="TAN"><code class="literal">TAN</code></a>
</li>
</ul>
</div>
</li>
<li class="listitem">
<p><a class="xref" href="sql-functions-string.html" title="String Functions">String Functions</a></p>
<div class="ulist itemizedlist">
<ul class="itemizedlist">
<li class="listitem">
<a class="xref" href="sql-functions-string.html#sql-functions-string-ascii" title="ASCII"><code class="literal">ASCII</code></a>
</li>
<li class="listitem">
<a class="xref" href="sql-functions-string.html#sql-functions-string-bit-length" title="BIT_LENGTH"><code class="literal">BIT_LENGTH</code></a>
</li>
<li class="listitem">
<a class="xref" href="sql-functions-string.html#sql-functions-string-char" title="CHAR"><code class="literal">CHAR</code></a>
</li>
<li class="listitem">
<a class="xref" href="sql-functions-string.html#sql-functions-string-char-length" title="CHAR_LENGTH"><code class="literal">CHAR_LENGTH</code></a>
</li>
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<a class="xref" href="sql-functions-string.html#sql-functions-string-concat" title="CONCAT"><code class="literal">CONCAT</code></a>
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<a class="xref" href="sql-functions-string.html#sql-functions-string-insert" title="INSERT"><code class="literal">INSERT</code></a>
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<a class="xref" href="sql-functions-string.html#sql-functions-string-lcase" title="LCASE"><code class="literal">LCASE</code></a>
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<a class="xref" href="sql-functions-string.html#sql-functions-string-left" title="LEFT"><code class="literal">LEFT</code></a>
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<a class="xref" href="sql-functions-string.html#sql-functions-string-length" title="LENGTH"><code class="literal">LENGTH</code></a>
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<a class="xref" href="sql-functions-string.html#sql-functions-string-locate" title="LOCATE"><code class="literal">LOCATE</code></a>
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<a class="xref" href="sql-functions-string.html#sql-functions-string-ltrim" title="LTRIM"><code class="literal">LTRIM</code></a>
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<a class="xref" href="sql-functions-string.html#sql-functions-string-octet-length" title="OCTET_LENGTH"><code class="literal">OCTET_LENGTH</code></a>
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<a class="xref" href="sql-functions-string.html#sql-functions-string-position" title="POSITION"><code class="literal">POSITION</code></a>
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<a class="xref" href="sql-functions-string.html#sql-functions-string-repeat" title="REPEAT"><code class="literal">REPEAT</code></a>
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<a class="xref" href="sql-functions-string.html#sql-functions-string-replace" title="REPLACE"><code class="literal">REPLACE</code></a>
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<a class="xref" href="sql-functions-string.html#sql-functions-string-right" title="RIGHT"><code class="literal">RIGHT</code></a>
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<a class="xref" href="sql-functions-string.html#sql-functions-string-rtrim" title="RTRIM"><code class="literal">RTRIM</code></a>
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<a class="xref" href="sql-functions-string.html#sql-functions-string-space" title="SPACE"><code class="literal">SPACE</code></a>
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<a class="xref" href="sql-functions-string.html#sql-functions-string-substring" title="SUBSTRING"><code class="literal">SUBSTRING</code></a>
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<a class="xref" href="sql-functions-string.html#sql-functions-string-ucase" title="UCASE"><code class="literal">UCASE</code></a>
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<p><a class="xref" href="sql-functions-type-conversion.html" title="Type Conversion Functions">Type Conversion Functions</a></p>
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<a class="xref" href="sql-functions-type-conversion.html#sql-functions-type-conversion-cast" title="CAST"><code class="literal">CAST</code></a>
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<a class="xref" href="sql-functions-type-conversion.html#sql-functions-type-conversion-convert" title="CONVERT"><code class="literal">CONVERT</code></a>
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<p><a class="xref" href="sql-functions-conditional.html" title="Conditional Functions And Expressions">Conditional Functions And Expressions</a></p>
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<a class="xref" href="sql-functions-conditional.html#sql-functions-conditional-case" title="CASE"><code class="literal">CASE</code></a>
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<a class="xref" href="sql-functions-conditional.html#sql-functions-conditional-coalesce" title="COALESCE"><code class="literal">COALESCE</code></a>
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<a class="xref" href="sql-functions-conditional.html#sql-functions-conditional-greatest" title="GREATEST"><code class="literal">GREATEST</code></a>
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<a class="xref" href="sql-functions-conditional.html#sql-functions-conditional-ifnull" title="IFNULL"><code class="literal">IFNULL</code></a>
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<a class="xref" href="sql-functions-conditional.html#sql-functions-conditional-iif" title="IIF"><code class="literal">IIF</code></a>
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<li class="listitem">
<a class="xref" href="sql-functions-conditional.html#sql-functions-conditional-isnull" title="ISNULL"><code class="literal">ISNULL</code></a>
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<a class="xref" href="sql-functions-conditional.html#sql-functions-conditional-least" title="LEAST"><code class="literal">LEAST</code></a>
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<a class="xref" href="sql-functions-conditional.html#sql-functions-conditional-nullif" title="NULLIF"><code class="literal">NULLIF</code></a>
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<a class="xref" href="sql-functions-conditional.html#sql-functions-conditional-nvl" title="NVL"><code class="literal">NVL</code></a>
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<p><a class="xref" href="sql-functions-geo.html" title="Geo Functions">Geo Functions</a></p>
<div class="ulist itemizedlist">
<ul class="itemizedlist">
<li class="listitem">
<a class="xref" href="sql-functions-geo.html#sql-functions-geo-st-as-wkt" title="ST_AsWKT"><code class="literal">ST_AsWKT</code></a>
</li>
<li class="listitem">
<a class="xref" href="sql-functions-geo.html#sql-functions-geo-st-distance" title="ST_Distance"><code class="literal">ST_Distance</code></a>
</li>
<li class="listitem">
<a class="xref" href="sql-functions-geo.html#sql-functions-geo-st-geometrytype" title="ST_GeometryType"><code class="literal">ST_GeometryType</code></a>
</li>
<li class="listitem">
<a class="xref" href="sql-functions-geo.html#sql-functions-geo-st-wkt-to-sql" title="ST_WKTToSQL"><code class="literal">ST_WKTToSQL</code></a>
</li>
<li class="listitem">
<a class="xref" href="sql-functions-geo.html#sql-functions-geo-st-x" title="ST_X"><code class="literal">ST_X</code></a>
</li>
<li class="listitem">
<a class="xref" href="sql-functions-geo.html#sql-functions-geo-st-y" title="ST_Y"><code class="literal">ST_Y</code></a>
</li>
<li class="listitem">
<a class="xref" href="sql-functions-geo.html#sql-functions-geo-st-z" title="ST_Z"><code class="literal">ST_Z</code></a>
</li>
</ul>
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<p><a class="xref" href="sql-functions-system.html" title="System Functions">System Functions</a></p>
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<ul class="itemizedlist">
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<a class="xref" href="sql-functions-system.html#sql-functions-system-database" title="DATABASE"><code class="literal">DATABASE</code></a>
</li>
<li class="listitem">
<a class="xref" href="sql-functions-system.html#sql-functions-system-user" title="USER"><code class="literal">USER</code></a>
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